In a vacuum, its not busted, but then neither was Skullclamp
This Golisopod isn't the first time an artist made a slight boo-boo when drawing a Pokmon, and in fact in the past the slip-ups have been far more conspicuous
It gives you a frosty Future Sight effect and grows as you play snow cards, but it's fairly rigid in terms of decks that can play it
(704.5p) +1/+1 counters and -1/-1 counters on permanents you control no longer annihilate each other
When she hits the board, every exerted character bounces back to its owners hand, giving you a massive tempo advantage by slowing your opponent way down
Perhaps they wanted to keep all Pokmon cards uniform to ensure tournament legality, as a deck with both designs would be considered marked cards